Bel Aire Park Elementary (Data source)
Source data for Bel Aire Park Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 1384414 | 2422 | - | 2436 | = | -14 | * | (80 | / | 239) | = | -4.68619246 | ||
| 4 | 1384417 | 2450 | - | 2485 | = | -35 | * | (83 | / | 239) | = | -12.15481169 | ||
| 5 | 1384418 | 2468 | - | 2528 | = | -60 | * | (76 | / | 239) | = | -19.07949786 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bel Aire Park Elementary | -36 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 43610 | 2421 | - | 2436 | = | -15 | * | (77 | / | 246) | = | -4.69512195 | ||
| 4 | 43612 | 2483 | - | 2485 | = | -2 | * | (85 | / | 246) | = | -0.69105691 | ||
| 5 | 43614 | 2496 | - | 2528 | = | -32 | * | (84 | / | 246) | = | -10.92682925 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bel Aire Park Elementary | -16 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 44686 | 2427 | - | 2436 | = | -9 | * | (68 | / | 246) | = | -2.48780488 | ||
| 4 | 44687 | 2472 | - | 2485 | = | -13 | * | (91 | / | 246) | = | -4.80894309 | ||
| 5 | 44690 | 2501 | - | 2528 | = | -27 | * | (87 | / | 246) | = | -9.54878047 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bel Aire Park Elementary | -17 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 44698 | 2454 | - | 2436 | = | 18 | * | (61 | / | 222) | = | 4.94594593 | ||
| 4 | 44701 | 2490 | - | 2485 | = | 5 | * | (72 | / | 222) | = | 1.62162162 | ||
| 5 | 44702 | 2515 | - | 2528 | = | -13 | * | (89 | / | 222) | = | -5.2117117 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bel Aire Park Elementary | 1 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 44841 | 2466 | - | 2436 | = | 30 | * | (69 | / | 197) | = | 10.50761421 | ||
| 4 | 44842 | 2494 | - | 2485 | = | 9 | * | (59 | / | 197) | = | 2.69543147 | ||
| 5 | 44843 | 2514 | - | 2528 | = | -14 | * | (69 | / | 197) | = | -4.9035533 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bel Aire Park Elementary | 8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -36 | -16 | -17 | 1 | 8 | -60.0 | -12.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 39.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -63.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 70% | 73% | 73% | 71% | 62% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Napa Valley Unified school district | County of Napa
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Bel Aire Park Elementary math proficiency
Zero+ meets standard.
52% less $meal
59% less $meal
57% less $meal
59% less $meal
51% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.